Electron: Extension tabs.query returns tab URLs and titles without the tabs permission

影響: npm:electron >= 45.0.0-alpha.1, < 45.0.0-alpha.4 → 45.0.0-alpha.4, npm:electron >= 44.0.0-alpha.1, < 44.1.1 → 44.1.1, npm:electron >= 43.0.0-alpha.1, < 43.5.1 → 43.5.1, npm:electron < 42.11.1 → 42.11.1

chrome.tabs.query() returned each tab's url and title to extensions that held neither the tabs permission nor matching host permissions, so any loaded extension could read the URL and title of every webContents in its session. Apps are only affected if they load extensions (session.extensions.loadExtension) that they do not fully trust. Apps that load no extensions, or only trusted ones, are not affected. Workarounds Do not load untrusted or unvalidated extensions. In general you should only lo…

GitHub Advisory Databaseで読む

2026/10/23 01:46、GitHub Advisory Databaseが「Electron: Extension tabs.query returns tab URLs and titles without the tabs permission」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「注意」(low) です。関連する技術: JavaScript / Node.js、Electron。CVE: CVE-2026-113797。